Current conditions at

Greenville Downtown Airport (KGMU)

Lat: 34.85°NLon: 82.35°WElev: 1010ft.

Fair

59°F

15°C

Humidity 25%
Wind Speed SW 12 mph
Barometer 30.05 in (1017.9 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 13 Jan 2:53 pm EST
Extended Forecast for

Simpsonville SC

  • Tonight

    Tonight: Increasing clouds, with a low around 39. Southwest wind 9 to 11 mph, with gusts as high as 20 mph.

    Low: 39 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Cloudy, then gradually becoming mostly sunny, with a high near 56. Southwest wind 11 to 16 mph, with gusts as high as 25 mph.

    High: 56 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before 11pm.  Mostly cloudy, with a low around 28. West southwest wind 9 to 11 mph becoming north after midnight. Winds could gust as high as 21 mph.

    Low: 28 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 40. North wind around 11 mph, with gusts as high as 18 mph.

    High: 40 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 18. North northwest wind 5 to 8 mph becoming light and variable  in the evening.

    Low: 18 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 49. Breezy.

    High: 49 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 39. Southwest wind 9 to 11 mph, with gusts as high as 20 mph.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 56. Southwest wind 11 to 16 mph, with gusts as high as 25 mph.
Wednesday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 28. West southwest wind 9 to 11 mph becoming north after midnight. Winds could gust as high as 21 mph.
Thursday
Sunny, with a high near 40. North wind around 11 mph, with gusts as high as 18 mph.
Thursday Night
Clear, with a low around 18. North northwest wind 5 to 8 mph becoming light and variable in the evening.
Friday
Sunny, with a high near 45.
Friday Night
Partly cloudy, with a low around 31.
Saturday
Sunny, with a high near 49. Breezy.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
Sunny, with a high near 40.
Sunday Night
Clear, with a low around 22.
M.L.King Day
Sunny, with a high near 48.
Monday Night
Mostly clear, with a low around 23.
Tuesday
Sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
Simpsonville SC
 34.74°N 82.28°W (Elev. 863 ft)
12:18 pm EST Jan 13, 2026
3pm EST Jan 13, 2026-6pm EST Jan 20, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database